UK SIC Code Lookup

Search the full list of Companies House Standard Industrial Classification codes. Enter a SIC code number or keywords to find the right classification for your business.

Examples:

  • 62012 - Business and domestic software development
  • 69201 - Accounting and auditing activities
  • construction - Search by keyword

What are SIC Codes?

Standard Industrial Classification (SIC) codes are 5-digit codes used by Companies House to classify the nature of business activities. When you register a company in the UK, you must select at least one SIC code that best describes what your company does.

The UK uses the SIC 2007 classification, which organises business activities into 21 sections (A-U), each containing multiple divisions, groups, and classes.

Browse by Section

A Agriculture, Forestry and Fishing B Mining and Quarrying C Manufacturing D Electricity, Gas, Steam and Air Conditioning Supply E Water Supply; Sewerage, Waste Management and Remediation Activities F Construction G Wholesale and Retail Trade; Repair of Motor Vehicles and Motorcycles H Transportation and Storage I Accommodation and Food Service Activities J Information and Communication K Financial and Insurance Activities L Real Estate Activities M Professional, Scientific and Technical Activities N Administrative and Support Service Activities O Public Administration and Defence; Compulsory Social Security P Education Q Human Health and Social Work Activities R Arts, Entertainment and Recreation S Other Service Activities T Activities of Households as Employers U Activities of Extraterritorial Organisations and Bodies

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